<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        body{
            background-color: #ccc;
        }
        div{
            position: absolute;
            width: 200px;
            height: 100px;
            background:url("images/bear.png") no-repeat;
            animation: bear 1s steps(8) infinite,t 3s forwards;
        }
        @keyframes bear {
            0%{
                background-position: 0 0;
            }
            100%{
                background-position: -1600px 0;
            }
        }
        @keyframes t {
            0%{
                left:0;
            }
            100%{
                left:50%;
                transform: translateX(-50%);
            }
        }
    </style>
</head>
<body>
    <div></div>
</body>
</html>